USPTO Patents Application 10009684

004829904

WPI Acc No: 1986-333245/19,

Prepn. of granular dete

comminuting detergent nix

cover i ng wi til. fine, water
Patent Assignee: LION CORP (LlOY )
Inventor: HARA N; NAGOH K; NAKAMURA M: TAI Y
Number of Countries: 005 Number of Patents:

with high bull< density - by kn^Hpig and

contg. potassium alkyiaryl sulphonate, and
ins'ol powder

007

Patent No

Kind

Date

Applicat No

Kind

Date

Week

liE

3617756

A

19861211

DE

3617756

A

19860527

198651 B

JP

61272300

A

19861202

JP

85116033

A

19850529

198702

JP

62000598

A

19870106

JP

85141092

A

19850^27

198706

US

4970017

A

19901113

US

88285377

A

19881216

199048

JP

94031430

B2

19940427

JP

85116033

A

19850529

199415

JP

94031431

B2

19940427

JP

85141092

A

19850627

199415

DE

3617756

C2

19950119

OE

3617756

A

19860527

199507

Priority Applications (No Type Date):

19850529; JP 8587448 A 19850425
Patent Detal Is:
Patent No Kind Lan Pg
DE 3617756 A 36
JP 94031430 B2 5
JP 94031431 B2 > 4

JP 8S141D92 A 19850627; JP 85116033 A

Main IPC . Fi I ing Notes

DE 3617756

C2

C1 10-01 1/00
C11D-011/0D
16 CllD-017/06

Based on patent JP 61272300
Based on patent JP 62000598

Abstract (Basic): DE 3617756 A

A granular detergent cohipsn. is prepd. by (a) kneading detergent
components, contg. at least 10 wt. % of K alkyiaryl sulphonate, to form
a kneaded, solid detergent niixt. , (b) comminuting this mixt. and (c)
covering the comminuted compsn. with water-insol. , finely divided
powder part id es with prim, particle size not above 10 microns.

ADVANTAGE - The bulk density of the compsn. is high (e.g. at least
0. 6 g/cc), dispersibi li ty and solubi I ity in cold water are t)etter,
powder properties are good, prodn. of dust is reduced, less energy is
needed in drying, or no such energy is needed, and there is no need for
additives which have no washing or cleaning effect. (36pp Dwg. No. 0/4)
Abstract (Equivalent); DE 3617756 C

Prodn, of a granular detergent compsn. with a high packing density,
comprises kneading the detergent components, which include at least 10
wt. % potassium alkyiaryl sulphonate (I), to form a kneaded, solid
mixt. ; reducing the mixt. to small particles; and coating the particles
with water-insoL fine particles (II) of average dia. 10 microns or
less, , .

Pref. . (I) is 8-18C alkyl-benzene sulphonate; and (II) are
particles of calcium stearate, magnesium stearate, aluminium silicate,
CaC03, MgC03, magnesium silicate, Si02 or Ti02. The detergent particles
have dia. 0. 3-2 mm.

ADVANTAGE - The detergent has a density of
improved d i spers i b i I i ty and solubility in cold
formation during prodn. Energy is not normally
particles.

Dwg. 0/4

Abstract (Equivalent): US 4970017 A

Granular detergent compsn. is produced by (a) kneading detergent
ingredients contg 100% or more of potassium alkyiaryl sulphonate to
form a solid mixt. ; (b) disintegrating this; then (c) coating with
0. 5-S wt. % of water-insoluble finely-divided powder particles of dia.
less.

includes (8-18C) alkyl-aryl sulphonate. Heater-insoluble
derived from calcium or magnesium stearate or -carbonate,
magnesium silicate, Si02 or Ti02.
- Has high bulk density. (9pp)
E12

0. 6 g/cm3 or more,
water, and less dust
required for drying the

1 0 m i crons or
Pref. (a)
particles are
aluminium- or
ADVANTAGE
Oerwent Class: D25
International Patent Class (Main): CllD-011/00; CllD-017/06
Ihternational Patent Class (Additional): CllD-001/12; CllD-001/22;
C11D-003/12; C1 10-003/20